Method for melting copper
US5240494A · kind A · utility
2Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1991 |
| Grant date | Aug 31, 1993 |
| Priority date | — |
| Expiry date | Apr 25, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D2019/004
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A method is disclosed for melting copper without incorporating unwanted oxygen and/or hydrogen into the copper by effectively controlling the burners used to melt the copper within desired fuel/air ratio operating limits by employing a special fuel/air mixture sampling and control system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.